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首页> 外文期刊>Journal of Intelligent Manufacturing >ErgoALWABP: a multiple-rule based constructive randomized search algorithm for solving assembly line worker assignment and balancing problem under ergonomic risk factors
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ErgoALWABP: a multiple-rule based constructive randomized search algorithm for solving assembly line worker assignment and balancing problem under ergonomic risk factors

机译:ergoalwabp:基于多规则的建设性随机搜索算法,用于解决符合人体工程学风险因素的组装线工人分配和平衡问题

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摘要

This paper proposes a new type of assembly line worker assignment and balancing problem (ALWABP) which considers ergonomic risks. ALWABP occurs when task times vary according to the assigned worker. Although the operation time of a task is assumed to be fixed in classical assembly lines, it depends on the operator who executes the task in ALWABP. In ALWABP literature, the primary and secondary objectives are minimizing cycle time and balancing workload among workstations smoothly, respectively. When smoothing workload, only task times are taken into consideration in the relevant literature. However, degree of difficulty of tasks is also very important. Two workers executing two different stations with the same station time are assumed to be equally loaded according to the traditional perception. In fact, even they have the same station time; their workloads are different because of the different tasks they execute, in real life assembly line configurations. In order to close this gap between the real life and the literature, this study introduces an ALWABP problem with considering ergonomic risk factors (ErgoALWABP). Due to the complex nature of the problem, optimum seeking methods are not capable of solving it. So, the proposed problem is tackled with the multiple-rule based constructive randomized search approach. Also, OCcupational Repetitive Action method is used for making ergonomic risk assessment. Performance of the proposed solution procedure is compared with the relevant literature on benchmark data. Experimental results show that ergonomic environment could be improved when ergonomic risk factors are taken into account.
机译:本文提出了一种新型的装配线工人分配和平衡问题(Alwabp),其考虑了符合人体工程学的风险。当任务时间因分配的工作者而异时发生alwabp。尽管假设任务的操作时间是固定在经典装配线中的,但它取决于在Alwabp中执行任务的操作员。在阿尔鸦文化文献中,主要和次要目标分别最小化了工作站之间的周期时间和平衡工作量。在平滑工作负载时,在相关文献中仅考虑任务时间。然而,任务的难度也非常重要。假设使用相同站时间执行两个不同电台的两名工人根据传统的感知同样地加载。事实上,即使他们有相同的站时间;由于它们执行的不同任务,其工作负载是不同的,因此在现实生活装配线配置中。为了缩短现实生活与文献之间的这种差距,本研究介绍了考虑人体工程学风险因素(ergoalWABP)的阿尔遍问题。由于问题的复杂性,最佳的寻求方法无法解决。因此,所提出的问题与基于多规则的建设性随机搜索方法进行了解决。此外,职业重复动作方法用于制作人体工程学风险评估。所提出的解决方案程序的性能与基准数据的相关文献进行了比较。实验结果表明,当考虑符合人体工程学的风险因素时,可以提高人体工程学环境。

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